The transfer window will open for 10 weeks, starting on the 27th of July 2020 and ending on the 5th of October 2020 in most countries in Europe.
Aston Villa have signed right-back Matty Cash from Nottingham Forest for £16-million on a five-year contract.
Deportivo la Coruna have signed goalkeeper Carlos Abad from Tenerife on a free transfer.
Leicester City have signed Belgian full-back Timothy Castagne from Atalanta for £21.5-million.
APOEL have permanently signed former Birmingham City and Middlesbrough full-back Emilio Nsue on a free transfer from Apollon Limassol.
Antalyaspor have signed German winger Sidney Sam from Altach on a free transfer.
AZ have signed Dutch defender Timo Letschert from Hamburger SV on a free transfer.
Real Oviedo have signed Spanish midfielder Edgar Gonzalez on a season-long loan from Real Betis.
Bristol City have signed striker Chris Martin on a two-year contract after he left Derby.
Luton have signed left-back Rhys Norrington-Davies from Sheffield United on a season-long loan.
Alanyaspor have signed Swiss defender François Moubandje from Dinamo Zagreb on a season-long loan.
Kasimpasa have signed Guinean defender Julian Jeanvier from Brentford for an undisclosed fee.
FC Schalke have signed Bosnian striker Vedad Ibisevic from Hertha Berlin on a free transfer.
FC Copenhagen have signed Greek defender Marios Ikonomou from AEK Athens for an undisclosed fee.
Freiburg have signed Dutch midfielder Guus Til from Spartak Moscow on a season-long loan.
Alanyaspor have signed Senegalese striker Khouma Babacar on a season-long loan from Sassuolo.
Udinese have signed Dutch full-back Thomas Ouwejan on a season-long loan from AZ.
Norwich City have tied Kenny McLean down to a new three-year contract at the club.
SD Huesca have signed Uruguayan full-back Gastón Silva on a free transfer from Independiente.
Crotone have signed centre-back Lisandro Magallán from Ajax Amsterdam on a season-long loan.
Kayserispor have signed English winger Aaron Lennon from Burnley on a free transfer.